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Eventuous · Aug 4, 2023 · 61da412 · 61da412
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Showing 43 changed files with 730 additions and 270 deletions.
diff --git a/samples/GrpcProjector/GrpcProjector.csproj b/samples/GrpcProjector/GrpcProjector.csproj
@@ -13,16 +13,14 @@
         </PropertyGroup>
     </Target>
     <ItemGroup>
-        <PackageReference Include="MinVer" Version="4.3.0" PrivateAssets="All"/>
-        <PackageReference Include="Microsoft.NET.Build.Containers" Version="7.0.302"/>
+        <PackageReference Include="Microsoft.AspNetCore.Grpc.Swagger" Version="0.3.9" />
         <PackageReference Include="Serilog" Version="2.12.0"/>
         <PackageReference Include="Serilog.AspNetCore" Version="7.0.0"/>
         <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0"/>
+        <PackageReference Include="Microsoft.AspNetCore.Grpc.JsonTranscoding" Version="7.0.9" />
+        <PackageReference Include="Grpc.AspNetCore" Version="2.49.0"/>
     </ItemGroup>
     <ItemGroup>
         <Protobuf Include="Protos\server.proto" GrpcServices="Server"/>
     </ItemGroup>
-    <ItemGroup>
-        <PackageReference Include="Grpc.AspNetCore" Version="2.49.0"/>
-    </ItemGroup>
 </Project>
diff --git a/samples/GrpcProjector/Program.cs b/samples/GrpcProjector/Program.cs
@@ -1,5 +1,6 @@
 using GrpcProjector.Services;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
+using Microsoft.OpenApi.Models;
 using Serilog;
 using Serilog.Events;
 
@@ -19,10 +20,23 @@
 builder.Host.UseSerilog();
 
 builder.Services.AddGrpc();
+builder.Services.AddGrpcSwagger();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1",
+        new OpenApiInfo { Title = "gRPC transcoding", Version = "v1" });
+});
 
-if (builder.Environment.IsDevelopment()) { builder.WebHost.ConfigureKestrel(options => options.ListenLocalhost(9091, o => o.Protocols = HttpProtocols.Http2)); }
+if (builder.Environment.IsDevelopment()) {
+    builder.WebHost.ConfigureKestrel(options => options.ListenLocalhost(9091, o => o.Protocols = HttpProtocols.Http1AndHttp2));
+}
 
 var app = builder.Build();
+app.UseSwagger();
+app.UseSwaggerUI(c =>
+{
+    c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
+});
 app.MapGrpcService<ProjectorService>();
 app.MapGet("/", () => "Communication with gRPC endpoints must be made through a gRPC client");
 

diff --git a/samples/GrpcProjector/Protos/server.proto b/samples/GrpcProjector/Protos/server.proto
@@ -3,10 +3,15 @@ syntax = "proto3";
 package grpc_projection;
 option csharp_namespace = "GrpcProjector";
 import "google/protobuf/struct.proto";
+import "google/api/annotations.proto";
 
 service Projection {
   rpc Project (ProjectRequest) returns (ProjectResponse);
-  rpc GetCheckpoint (GetCheckpointRequest) returns (GetCheckpointResponse);
+  rpc GetCheckpoint (GetCheckpointRequest) returns (GetCheckpointResponse) {
+    option (google.api.http) = {
+      get: "/v1/checkpoint/{checkpointId}"
+    };
+  };
   rpc StoreCheckpoint (StoreCheckpointRequest) returns (StoreCheckpointResponse);
 }
 

diff --git a/samples/GrpcProjector/appsettings.json b/samples/GrpcProjector/appsettings.json
@@ -9,7 +9,7 @@
   "AllowedHosts": "*",
   "Kestrel": {
     "EndpointDefaults": {
-      "Protocols": "Http2"
+      "Protocols": "Http1AndHttp2"
     }
   }
 }
diff --git a/samples/GrpcProjector/google/api/annotations.proto b/samples/GrpcProjector/google/api/annotations.proto
@@ -0,0 +1,31 @@
+// Copyright (c) 2015, Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}